All codes
X322
X322 – Treatment planning, dosage calculation and preparation of any special treatment device
OHIP Laboratory Code — RADIATION ONCOLOGY · Schedule of Benefits
Treatment planning, dosage calculation and preparation of any special treatment device.
When to Use
- Use X322 when performing the complex technical planning and physical preparation of a custom immobilization device or shielding block required for a specific patient's radiation field.
- Apply this code when the clinical workflow requires distinct dosage calculations and treatment planning steps that are separate from the standard daily treatment delivery codes like X323 or X334.
Common Pitfalls
- Do not bill X322 for routine setup procedures that are already bundled into the technical component of the primary radiation treatment delivery codes.
- Avoid billing X322 on the same day as X324 or X325 if the documentation does not clearly distinguish the separate planning or device preparation tasks performed.
Billing Tips
- Ensure the medical record explicitly details the technical complexity of the device or the specific dosage calculation parameters to justify the use of X322 over standard treatment planning codes.
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